[PATCH v2 5/9] drivers/perf: hisi: Extend the field of tt_core

Jonathan Cameron Jonathan.Cameron at huawei.com
Tue Aug 26 06:07:16 PDT 2025


On Thu, 21 Aug 2025 21:50:45 +0800
Yushan Wang <wangyushan12 at huawei.com> wrote:

> From: Yicong Yang <yangyicong at hisilicon.com>
> 
> Currently the tt_core's using config1's bit [7, 0] and can not be
> extended. For some platforms there's more the 8 CPUs sharing the
> L3 cache. So make tt_core use config2's bit [15, 0] and the remaining
> bits in config2 is reserved for extension.
> 
> Signed-off-by: Yicong Yang <yangyicong at hisilicon.com>
> Signed-off-by: Yushan Wang <wangyushan12 at huawei.com>
Acked-by: Jonathan Cameron <jonathan.cameron at huawei.com>



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